Math, asked by saidecinner, 2 days ago

$expand \: (2x + 1) ^{3}$

can you help me please I don't get it

Answers

Answered by mettahendre

0

Step-by-step explanation:

(a+b)³ = a³ + b³ + 3a²b + 3ab²

(2x+1)³ = 8x³ + 1 + (3×2x²×1) +(3×2x×1²)

= 8x³ + 1 + 6x² + 6x

= 8x³ +6x² +6x +1

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